Answer:

Step-by-step explanation:
The given equation is 
Group similar terms to get:


Square both sides to obtain:


Add 6 to both sides

Simplify the right hand side to obtain;

Answer:
0,-1 0,-7
Step-by-step explanation:
200kg I think being serious
Answer:
I wanna say the first picture second answer choice. Please tell me if I am right.
Step-by-step explanation:
Answer:
10 yards
Step-by-step explanation: